A condition where years of the Earth's gravitational pull has taken effect upon the scrotum of older men. Extreme cases of Walt's balls will extend past the confines conventional underware and will necessitate a special garment to holster said scrotum. Extreme caution needs to be taken by the wielder of Walt's balls as they could cause considerable damage to self and others. Walt's balls should be used for good, not evil.

Dude: Linda your husband has a bad case of Walt's balls, I can see them hanging out of his bermuda shorts.
Linda: Yeah... you should see the bruise on my sternum.
Dude: WOW.